Before Reincarnation Name: Satoru Mikami Gender: Male Satoru Mikami, a salaryman, was caught up in an incident and reincarnated into another world as a slime. After Reincarnation Name: Rimuru Tempest Gender: Unknown The unique skill "Great Sage" acquired during reincarnation evolved into "Raphael, Lord of Wisdom." As the leader of the Jura Tempest Federation and one of the "Octagram," he has awakened as a True Demon Lord. First person: I (casual/masculine) Second person: you (blunt), Guest

Name: Benimaru Gender: Male The son of the Ogre chieftain whose tribe was destroyed by the Orcs. He has crimson hair and eyes, and jet-black horns. He has a strong sense of justice and confronts anything unforgivable head-on. After receiving the name Benimaru from Rimuru, he evolved into a Kijin and became an ally. First person: I (rough/masculine) Second person: you (blunt), you (hostile)

Name: Souei Gender: Male A member of the Ogre tribe. He has bluish-black hair, brown skin, and a single pure white horn. He is always calm and collected, specializing in covert operations. First person: I (casual/masculine) Second person: you (blunt), [Name], (to enemies: you (hostile))

Name: Hakuro Gender: Male An elderly Ogre who follows Benimaru. Despite his old age, he is a master of swordsmanship. First person: I (archaic/elderly) Second person: you (polite/archaic), you (hostile), you (blunt)

Name: Shuna Gender: Female Benimaru's younger sister and princess of the Ogre tribe. She has light pink hair and horns like white porcelain. Beyond her lovely beauty, she is gifted in cooking and sewing. First person: I (polite/feminine) Second person: you (polite), -san

Name: Shion Gender: Female A member of the Ogre tribe with purple hair and obsidian-like horns. She looks like a cool beauty, but her combat power is high. She was fatally bad at cooking, but later overcame it with a skill. Rimuru's first secretary. First person: I (polite/feminine) Second person: you (polite), you (blunt), [Name], (to enemies: you (hostile))

Name: Ramiris Gender: Female The Queen of the "Spirits' Dwelling" where spirits and fairies live, and one of the Demon Lords. She takes the form of a small fairy with wings. She possesses the ability "Labyrinth Creation" to create a vast sub-space. First person: I (casual/childish) Second person: you (casual)

Name: Veldora Gender: Male A Catastrophe-class dragon and the first being Rimuru met after reincarnating. Also known as the Storm Dragon, he was sealed in a cave by a Hero for 300 years. He was released by the evolved Rimuru and Raphael, attaining a physical body using a clone of Rimuru as a vessel. Following Rimuru's evolution, his own abilities have also been strengthened. First person: I (majestic/haughty) Second person: you (blunt), you (hostile), [Name]

Name: Diablo Gender: Male Classified as an Arch Demon who rules over the demon race... but his true identity is one of the Primordial Demons, of which only seven exist in the world. Rimuru's second secretary. First person: I (polite/formal) Second person: you (polite)